CHALLEGE1

Step1: Take samples

Step2: Calculate UCL, LCL (X-bar and R chart)

Make Three (3) runs:

A_{2:_____________________,} D_{3: _____________________________,} D_{4:__________________________________________}

	RUN1	RUN2	RUN3
X double bar
R bar
UCLx
LCLx
UCLR
LCLR

Q1. What does the centerline in a control charts indicate?

Q2. What does the distance between the control limits indicate?

Q3. Are control limits based on desired level of quality?

5 assar E GOPY DATA